what percentage of number between 1 and 9 both inclusive have 20 or 9 in the unit digit?
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Answer:
22.22 %
Step-by-step explanation:
What percentage of number between 1 and 9 both inclusive have 2 or 9 in the unit digit?
Total numbers = 9
1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 & 9
Number of 2's at unit place = 1
Number of 9's at unit place = 1
2 or 9 in the unit digit = 1 + 1 = 2
Total Numbers = 9
% = (2/9) * 100 = 22.22 %
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